Hidden shower storage



FIG. 1 is a front perspective view of a hidden shower storage showing our new design;

FIG. 2 is a front elevational thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for a hidden shower storage, as shown and described. 